Green Roof Water Collection

To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.

Green roof water collection. It is made of a filtration veil and the polyamide monofilament fibre network layer. Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions. A limited set of five samples was evaluated for additional nutrients hardness salts and metals. There have been many studies on green roofs and water quality around the world.

Furthermore it is possible utilise rainwater harvesting of a green roof contrary to claims from other industries. The goal is to keep the water clean in some cases probably cleaner than from some traditional roof schemes. The medium sized rain water collection system. In fact it is quite common to harvest water from green roofs in germany and switzerland.

Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. Rainwater can carry bacteria parasites viruses and chemicals that could make you sick and it has been linked to disease outbreaks 3 4. Green city resources is a cincinnati northern kentucky based woman owned landscaping company specializing in the design installation and maintenance of stormwater management systems. Protection drainage and filtration.

There was one a few years ago with a sloped roof they used a flexible membrane and put 4 inch pipe underneath it. The harvesting of rainwater is as simple as collecting water from surfaces on which rain falls and subsequently storing this water for later use. Extensive green roofs potsdammer platz berlin rainwater harvesting. High nutrient levels in water can lead to problems with algae blooms.

Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof. Where rainwater is harvested from green roofs fertilizers should not be used. Twenty three samples were evaluated for ph ec color turbidity and nitrate. It acted as a seep so you would collect or bird bath water coming down the slope behind the 4 inch pipe.

1 of rain on 1 000 sf roof will yield 623 gallons. While storm water runoff from a green roof is reduced compared to a traditional roof rainwater can still be used for non potable applications. Green roof bioretention vegetated roofing roof garden rainwater collection and rainwater harvesting and sustainable site development. Normally water is collected from building roofs and stored in dedicated water tanks.

Rain can wash different types of contaminants into the water you collect for example bird poop on your roof could end up in your water barrel or tank. Bauder sdf drainage layer.